Macintosh Toolbox

The Macintosh Platform ( engl. Macintosh Toolbox) was a collection of resources, drivers, routines, and programming interfaces that earlier in the ROM Macintosh computers were located, who worked as an operating system with the classic Mac OS.

To conserve memory and disk space, numerous components of the operating system had been provided in a ROM since the first Macintosh with 128 KB RAM. Memory ( RAM) at the time was much more expensive than the same amount of ROM and 128 KB of memory set in production already represents a huge cost factor addition, this measure provided some speed advantage, since ROM was read out at the time faster than RAM and still much faster as floppy disks.

Since the contents of the ROM was determined with the delivery of the computer, all the contents of the kit on a table were skipped. Newer modular components in the operating system file have been used instead of the contents of each deprecated ROMs.

In the 1990s, the price and speed ratio of ROM and RAM returned to increasingly ROM was now significantly more expensive than the same amount of RAM and also much slower. With the iMac, PowerBook G3 " Lombard " and the blue-white Power Mac G3 therefore disappeared modular -ROMs from the Macintosh computers and were provided rather than " ROM file " on your hard drive. The Open Firmware boot ROM of this so-called " New World ROM " models loaded this ROM file into memory, and then launched the Classic Mac OS as usual.

The Macintosh kit was originally developed in Pascal and then implemented for speed and space limitations in Motorola 68000 assembly language. Over the years, parts in the programming language C and C translates to natively run on the Power Macintosh can.

Components

Important components of the Macintosh kit were:

  • QuickDraw
  • Window Manager
  • Dialog Manager
  • Control Manager
  • Event Manager
  • TextEdit
  • Resource Manager
  • Finder interface
  • Scrap Manager
  • Standard file package
  • Sound Manager
Read-only memory
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